Fast-compiler: Added trivial implementations of while and do/while.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 22384bf8d1b8c35c4e1b605dca3cf44f7ef6e39b..75060b0a7b715f0439649e92db3cf7c513a44b39 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -708,12 +708,20 @@ void CodeGenSelector::VisitSwitchStatement(SwitchStatement* stmt) {
 
 
 void CodeGenSelector::VisitDoWhileStatement(DoWhileStatement* stmt) {
-  BAILOUT("DoWhileStatement");
+  // We do not handle loops with breaks or continue statements in their
+  // body.  We will bailout when we hit those statements in the body.
+  ProcessExpression(stmt->cond(), Expression::kTest);
+  CHECK_BAILOUT;
+  Visit(stmt->body());
 }
 
 
 void CodeGenSelector::VisitWhileStatement(WhileStatement* stmt) {
-  BAILOUT("WhileStatement");
+  // We do not handle loops with breaks or continue statements in their
+  // body.  We will bailout when we hit those statements in the body.
+  ProcessExpression(stmt->cond(), Expression::kTest);
+  CHECK_BAILOUT;
+  Visit(stmt->body());
 }